collective set up on the principle of collectivism or ownership and production by the workers involved usually under the supervision of a government; "collective farms"

2.

aggregate - composed of a dense cluster of separate units such as carpels or florets or drupelets; "raspberries are aggregate fruits"

multiple having or involving or consisting of more than one part or entity or individual; "multiple birth"; "multiple ownership"; "made multiple copies of the speech"; "his multiple achievements in public life"; "her multiple personalities"; "a pineapple is a multiple fruit"